diff options
| -rw-r--r-- | ports/esp32/mphalport.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/ports/esp32/mphalport.c b/ports/esp32/mphalport.c index aa79c878e..7992c8ded 100644 --- a/ports/esp32/mphalport.c +++ b/ports/esp32/mphalport.c @@ -61,11 +61,17 @@ void mp_hal_stdout_tx_str(const char *str) { } void mp_hal_stdout_tx_strn(const char *str, uint32_t len) { - MP_THREAD_GIL_EXIT(); + // Only release the GIL if many characters are being sent + bool release_gil = len > 20; + if (release_gil) { + MP_THREAD_GIL_EXIT(); + } for (uint32_t i = 0; i < len; ++i) { uart_tx_one_char(str[i]); } - MP_THREAD_GIL_ENTER(); + if (release_gil) { + MP_THREAD_GIL_ENTER(); + } mp_uos_dupterm_tx_strn(str, len); } |